Tire tread



FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread, the opposite side being the same as that shown;

FIG. 2 is a front elevational view thereof, the opposite side being identical thereto; and,

FIG. 3 is an enlarged fragmentary front elevational view thereof.

The broken lines defining the sidewall, inner bead, shoulder ribs, tread lug walls, and the peripheral boundary between the claimed tire tread and the sidewall depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 